Year	constant 2015 US$
1995	15424139760.885143
1996	16825951603.519516
1997	18567367589.767952
1998	19827952865.09334
1999	19852680578.886703
2000	21045414702.89881
2001	22500903669.66873
2002	24193644215.89256
2003	26381791143.88357
2004	29269498154.055447
2005	31909926916.780834
2006	33591887435.759346
2007	36907485858.790985
2008	38903126752.69411
2009	34237743765.495285
2010	33891883078.690987
2011	34867265846.45544
2012	35893462085.58473
2013	37415795875.47614
2014	39368260075.2406
2015	39940688841.87498
2016	41435229333.856224
2017	43189020826.88669
2018	44648062453.932396
2019	46821364099.44685
2020	47451812623.67068
2021	47860841207.87692
2022	45877097620.69997